include/image.mk

   1 #
   2 # Copyright (C) 2006-2010 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7
   8 override TARGET_BUILD=
   9 include $(INCLUDE_DIR)/prereq.mk
  10 include $(INCLUDE_DIR)/kernel.mk
  11 include $(INCLUDE_DIR)/host.mk
  12 include $(INCLUDE_DIR)/version.mk
  13
  14 override MAKE:=$(_SINGLE)$(SUBMAKE)
  15 override NO_TRACE_MAKE:=$(_SINGLE)$(NO_TRACE_MAKE)
  16
  17 KDIR=$(KERNEL_BUILD_DIR)
  18 KDIR_TMP=$(KDIR)/tmp
  19 DTS_DIR:=$(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/dts
  20
  21 sanitize = $(call tolower,$(subst _,-,$(1)))
  22
  23 DIST_SANITIZED:=$(call sanitize,$(VERSION_DIST))
  24 EXTRA_NAME_SANITIZED=$(call sanitize,$(EXTRA_IMAGE_NAME))
  25
  26 IMG_PREFIX:=$(DIST_SANITIZED)-$(if $(CONFIG_VERSION_FILENAMES),$(VERSION_NUMBER)-)$(if $(EXTRA_NAME_SANITIZED),$(EXTRA_NAME_SANITIZED)-)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
  27
  28 MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
  29
  30 ifneq ($(CONFIG_BIG_ENDIAN),)
  31   JFFS2OPTS     :=  --big-endian --squash-uids -v
  32 else
  33   JFFS2OPTS     :=  --little-endian --squash-uids -v
  34 endif
  35
  36 ifeq ($(CONFIG_JFFS2_RTIME),y)
  37   JFFS2OPTS += -X rtime
  38 endif
  39 ifeq ($(CONFIG_JFFS2_ZLIB),y)
  40   JFFS2OPTS += -X zlib
  41 endif
  42 ifeq ($(CONFIG_JFFS2_LZMA),y)
  43   JFFS2OPTS += -X lzma --compression-mode=size
  44 endif
  45 ifneq ($(CONFIG_JFFS2_RTIME),y)
  46   JFFS2OPTS += -x rtime
  47 endif
  48 ifneq ($(CONFIG_JFFS2_ZLIB),y)
  49   JFFS2OPTS += -x zlib
  50 endif
  51 ifneq ($(CONFIG_JFFS2_LZMA),y)
  52   JFFS2OPTS += -x lzma
  53 endif
  54
  55 JFFS2OPTS += $(MKFS_DEVTABLE_OPT)
  56
  57 SQUASHFS_BLOCKSIZE := $(CONFIG_TARGET_SQUASHFS_BLOCK_SIZE)k
  58 SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
  59 SQUASHFSOPT += -p '/dev d 755 0 0' -p '/dev/console c 600 0 0 5 1'
  60 SQUASHFSCOMP := gzip
  61 LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
  62 ifeq ($(CONFIG_SQUASHFS_XZ),y)
  63   ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
  64     BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
  65   endif
  66   SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
  67 endif
  68
  69 JFFS2_BLOCKSIZE ?= 64k 128k
  70
  71 fs-types-$(CONFIG_TARGET_ROOTFS_SQUASHFS) += squashfs
  72 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addprefix jffs2-,$(JFFS2_BLOCKSIZE))
  73 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2_NAND) += $(addprefix jffs2-nand-,$(NAND_BLOCKSIZE))
  74 fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4
  75 fs-types-$(CONFIG_TARGET_ROOTFS_ISO) += iso
  76 fs-types-$(CONFIG_TARGET_ROOTFS_UBIFS) += ubifs
  77 fs-subtypes-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addsuffix -raw,$(addprefix jffs2-,$(JFFS2_BLOCKSIZE)))
  78 fs-subtypes-$(CONFIG_TARGET_ROOTFS_CPIOGZ) += cpiogz
  79 fs-subtypes-$(CONFIG_TARGET_ROOTFS_TARGZ) += targz
  80
  81 TARGET_FILESYSTEMS := $(fs-types-y)
  82
  83 FS_64K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-64k
  84 FS_128K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-128k
  85 FS_256K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-256k
  86
  87 define add_jffs2_mark
  88         echo -ne '\xde\xad\xc0\xde' >> $(1)
  89 endef
  90
  91 PROFILE_SANITIZED := $(call sanitize,$(PROFILE))
  92
  93 define split_args
  94 $(foreach data, \
  95         $(subst |,$(space),\
  96                 $(subst $(space),^,$(1))), \
  97         $(call $(2),$(strip $(subst ^,$(space),$(data)))))
  98 endef
  99
 100 define build_cmd
 101 $(if $(Build/$(word 1,$(1))),,$(error Missing Build/$(word 1,$(1))))
 102 $(call Build/$(word 1,$(1)),$(wordlist 2,$(words $(1)),$(1)))
 103
 104 endef
 105
 106 define concat_cmd
 107 $(call split_args,$(1),build_cmd)
 108 endef
 109
 110 # pad to 4k, 8k, 16k, 64k, 128k, 256k and add jffs2 end-of-filesystem mark
 111 define prepare_generic_squashfs
 112         $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 16 64 128 256
 113 endef
 114
 115 define Image/BuildKernel/Initramfs
 116         $(call Image/Build/Initramfs)
 117 endef
 118
 119 define Image/BuildKernel/MkuImage
 120         mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
 121                 -n '$(call toupper,$(ARCH)) LEDE Linux-$(LINUX_VERSION)' -d $(4) $(5)
 122 endef
 123
 124 define Image/BuildKernel/MkFIT
 125         $(TOPDIR)/scripts/mkits.sh \
 126                 -D $(1) -o $(KDIR)/fit-$(1).its -k $(2) $(if $(3),-d $(3)) -C $(4) -a $(5) -e $(6) \
 127                 -A $(ARCH) -v $(LINUX_VERSION)
 128         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
 129 endef
 130
 131 # $(1) source dts file
 132 # $(2) target dtb file
 133 # $(3) extra CPP flags
 134 # $(4) extra DTC flags
 135 define Image/BuildDTB
 136         $(TARGET_CROSS)cpp -nostdinc -x assembler-with-cpp \
 137                 -I$(DTS_DIR) \
 138                 -I$(DTS_DIR)/include \
 139                 -undef -D__DTS__ $(3) \
 140                 -o $(2).tmp $(1)
 141         $(LINUX_DIR)/scripts/dtc/dtc -O dtb \
 142                 -i$(dir $(1)) $(4) \
 143                 -o $(2) $(2).tmp
 144         $(RM) $(2).tmp
 145 endef
 146
 147 define Image/mkfs/jffs2/sub
 148                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) --pad -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2) -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
 149                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(2))
 150 endef
 151
 152 define Image/mkfs/jffs2/sub-raw
 153                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2)-raw -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
 154 endef
 155
 156 define Image/mkfs/jffs2/template
 157   Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(1),$(JFFS2OPTS))
 158   Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(1),$(JFFS2OPTS))
 159
 160 endef
 161
 162 define Image/mkfs/jffs2-nand/template
 163   Image/mkfs/jffs2-nand-$(1) = \
 164         $$(call Image/mkfs/jffs2/sub, \
 165                 $(word 2,$(subst -, ,$(1))),nand-$(1), \
 166                         $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))))
 167
 168 endef
 169
 170 $(eval $(foreach S,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/template,$(S))))
 171 $(eval $(foreach S,$(NAND_BLOCKSIZE),$(call Image/mkfs/jffs2-nand/template,$(S))))
 172
 173 define Image/mkfs/squashfs
 174         $(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) -processors $(if $(CONFIG_PKG_BUILD_JOBS),$(CONFIG_PKG_BUILD_JOBS),1) $(if $(SOURCE_DATE_EPOCH),-fixed-time $(SOURCE_DATE_EPOCH))
 175 endef
 176
 177 # $(1): board name
 178 # $(2): rootfs type
 179 # $(3): kernel image
 180 ifneq ($(CONFIG_NAND_SUPPORT),)
 181    define Image/Build/SysupgradeNAND
 182         mkdir -p "$(KDIR_TMP)/sysupgrade-$(1)/"
 183         echo "BOARD=$(1)" > "$(KDIR_TMP)/sysupgrade-$(1)/CONTROL"
 184         [ -z "$(2)" ] || $(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(1)/root"
 185         [ -z "$(3)" ] || $(CP) "$(3)" "$(KDIR_TMP)/sysupgrade-$(1)/kernel"
 186         (cd "$(KDIR_TMP)"; $(TAR) cvf \
 187                 "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(1) \
 188                         $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 189         )
 190    endef
 191
 192 # $(1) board name
 193 # $(2) ubinize-image options (e.g. --uboot-env and/or --kernel kernelimage)
 194 # $(3) rootfstype (e.g. squashfs or ubifs)
 195 # $(4) options to pass-through to ubinize (i.e. $($(PROFILE)_UBI_OPTS)))
 196    define Image/Build/UbinizeImage
 197         sh $(TOPDIR)/scripts/ubinize-image.sh $(2) \
 198                 "$(KDIR)/root.$(3)" \
 199                 "$(KDIR)/$(IMG_PREFIX)-$(1)-$(3)-ubinized.bin" \
 200                 $(4)
 201    endef
 202
 203 endif
 204
 205 ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
 206     define Image/mkfs/ubifs/generate
 207         $(CP) ./ubinize$(1).cfg $(KDIR)
 208         ( cd $(KDIR); \
 209                 $(STAGING_DIR_HOST)/bin/ubinize \
 210                 $(if $($(PROFILE)_UBI_OPTS), \
 211                         $(shell echo $($(PROFILE)_UBI_OPTS)), \
 212                         $(shell echo $(UBI_OPTS)) \
 213                 ) \
 214                 -o $(KDIR)/root$(1).ubi \
 215                 ubinize$(1).cfg \
 216         )
 217     endef
 218
 219     define Image/mkfs/ubifs
 220
 221         ifneq ($($(PROFILE)_UBIFS_OPTS)$(UBIFS_OPTS),)
 222                 $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
 223                         $(if $($(PROFILE)_UBIFS_OPTS), \
 224                                 $(shell echo $($(PROFILE)_UBIFS_OPTS)), \
 225                                 $(shell echo $(UBIFS_OPTS)) \
 226                         ) \
 227                         $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
 228                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--force-compr=none) \
 229                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--force-compr=lzo) \
 230                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--force-compr=zlib) \
 231                         $(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
 232                         --squash-uids \
 233                         -o $(KDIR)/root.ubifs \
 234                         -d $(TARGET_DIR)
 235         endif
 236         $(call Image/Build,ubifs)
 237
 238         ifneq ($($(PROFILE)_UBI_OPTS)$(UBI_OPTS),)
 239                 $(if $(wildcard ./ubinize.cfg),$(call Image/mkfs/ubifs/generate,))
 240                 $(if $(wildcard ./ubinize-overlay.cfg),$(call Image/mkfs/ubifs/generate,-overlay))
 241         endif
 242         $(if $(wildcard ./ubinize.cfg),$(call Image/Build,ubi))
 243     endef
 244 endif
 245
 246 define Image/mkfs/cpiogz
 247         ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9n >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 248 endef
 249
 250 define Image/mkfs/targz
 251         $(TAR) -cp --numeric-owner --owner=0 --group=0 --sort=name \
 252                 $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 253                 -C $(TARGET_DIR)/ . | gzip -9n > $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz
 254 endef
 255
 256 E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024)))
 257
 258 define Image/mkfs/ext4
 259         $(STAGING_DIR_HOST)/bin/make_ext4fs \
 260                 -l $(E2SIZE) -b $(CONFIG_TARGET_EXT4_BLOCKSIZE) \
 261                 -i $(CONFIG_TARGET_EXT4_MAXINODE) \
 262                 -m $(CONFIG_TARGET_EXT4_RESERVED_PCT) \
 263                 $(if $(CONFIG_TARGET_EXT4_JOURNAL),,-J) \
 264                 $(if $(SOURCE_DATE_EPOCH),-T $(SOURCE_DATE_EPOCH)) \
 265                 $(KDIR)/root.ext4 $(TARGET_DIR)/
 266 endef
 267
 268 define Image/mkfs/prepare/default
 269         # Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
 270         - $(FIND) $(TARGET_DIR) -type f -not -perm /0100 -not -name 'ssh_host*' -not -name 'shadow' -print0 | $(XARGS) -0 chmod u+rw,g+r,o+r
 271         - $(FIND) $(TARGET_DIR) -type f -perm /0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 272         - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 273         $(INSTALL_DIR) $(TARGET_DIR)/tmp $(TARGET_DIR)/overlay
 274         chmod 1777 $(TARGET_DIR)/tmp
 275 endef
 276
 277 define Image/mkfs/prepare
 278         $(call Image/mkfs/prepare/default)
 279 endef
 280
 281
 282 define Image/Checksum
 283         ( cd ${BIN_DIR} ; \
 284                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs $1 > $2 \
 285         )
 286 endef
 287
 288 define BuildImage/mkfs
 289   install: mkfs-$(1)
 290   .PHONY: mkfs-$(1)
 291   mkfs-$(1): kernel_prepare
 292         $(Image/mkfs/$(1))
 293         $(call Build/mkfs/default,$(1))
 294         $(call Build/mkfs/$(1),$(1))
 295   $(KDIR)/root.$(1): mkfs-$(1)
 296
 297 endef
 298
 299 # Build commands that can be called from Device/* templates
 300 define Build/uImage
 301         mkimage -A $(LINUX_KARCH) \
 302                 -O linux -T kernel \
 303                 -C $(1) -a $(KERNEL_LOADADDR) -e $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \
 304                 -n '$(call toupper,$(LINUX_KARCH)) LEDE Linux-$(LINUX_VERSION)' -d $@ $@.new
 305         @mv $@.new $@
 306 endef
 307
 308 define Build/netgear-chk
 309         $(STAGING_DIR_HOST)/bin/mkchkimg \
 310                 -o $@.new \
 311                 -k $@ \
 312                 -b $(NETGEAR_BOARD_ID) \
 313                 -r $(NETGEAR_REGION)
 314         mv $@.new $@
 315 endef
 316
 317 define Build/netgear-dni
 318         $(STAGING_DIR_HOST)/bin/mkdniimg \
 319                 -B $(NETGEAR_BOARD_ID) -v LEDE.$(REVISION) \
 320                 $(if $(NETGEAR_HW_ID),-H $(NETGEAR_HW_ID)) \
 321                 -r "$(1)" \
 322                 -i $@ -o $@.new
 323         mv $@.new $@
 324 endef
 325
 326 define Build/fit
 327         $(TOPDIR)/scripts/mkits.sh \
 328                 -D $(DEVICE_NAME) -o $@.its -k $@ \
 329                 $(if $(word 2,$(1)),-d $(word 2,$(1))) -C $(word 1,$(1)) \
 330                 -a $(KERNEL_LOADADDR) -e $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \
 331                 -A $(ARCH) -v $(LINUX_VERSION)
 332         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $@.its $@.new
 333         @mv $@.new $@
 334 endef
 335
 336 define Build/lzma
 337         $(call Build/lzma-no-dict,-lc1 -lp2 -pb2 $(1))
 338 endef
 339
 340 define Build/lzma-no-dict
 341         $(STAGING_DIR_HOST)/bin/lzma e $@ $(1) $@.new
 342         @mv $@.new $@
 343 endef
 344
 345 define Build/gzip
 346         gzip -9n -c $@ $(1) > $@.new
 347         @mv $@.new $@
 348 endef
 349
 350 define Build/jffs2
 351         rm -rf $(KDIR_TMP)/$(DEVICE_NAME)/jffs2 && \
 352                 mkdir -p $(KDIR_TMP)/$(DEVICE_NAME)/jffs2/$$(dirname $(1)) && \
 353                 cp $@ $(KDIR_TMP)/$(DEVICE_NAME)/jffs2/$(1) && \
 354                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 --pad \
 355                         $(if $(CONFIG_BIG_ENDIAN),--big-endian,--little-endian) \
 356                         --squash-uids -v -e $(patsubst %k,%KiB,$(BLOCKSIZE)) \
 357                         -o $@.new \
 358                         -d $(KDIR_TMP)/$(DEVICE_NAME)/jffs2 \
 359                         2>&1 1>/dev/null | awk '/^.+$$$$/' && \
 360                 $(STAGING_DIR_HOST)/bin/padjffs2 $@.new -J $(patsubst %k,,$(BLOCKSIZE))
 361         -rm -rf $(KDIR_TMP)/$(DEVICE_NAME)/jffs2/
 362         @mv $@.new $@
 363 endef
 364
 365 define Build/kernel-bin
 366         rm -f $@
 367         cp $< $@
 368 endef
 369
 370 define Build/patch-cmdline
 371         $(STAGING_DIR_HOST)/bin/patch-cmdline $@ '$(CMDLINE)'
 372 endef
 373
 374 define Build/append-kernel
 375         dd if=$(word 1,$^) $(if $(1),bs=$(1) conv=sync) >> $@
 376 endef
 377
 378 define Build/append-rootfs
 379         dd if=$(word 2,$^) $(if $(1),bs=$(1) conv=sync) >> $@
 380 endef
 381
 382 define Build/append-ubi
 383         sh $(TOPDIR)/scripts/ubinize-image.sh \
 384                 $(if $(UBOOTENV_IN_UBI),--uboot-env) \
 385                 $(if $(KERNEL_IN_UBI),--kernel $(word 1,$^)) \
 386                 $(word 2,$^) \
 387                 $@.tmp \
 388                 -p $(BLOCKSIZE) -m $(PAGESIZE) -E 5 \
 389                 $(if $(SUBPAGESIZE),-s $(SUBPAGESIZE))
 390         cat $@.tmp >> $@
 391         rm $@.tmp
 392 endef
 393
 394 define Build/pad-to
 395         dd if=$@ of=$@.new bs=$(1) conv=sync
 396         mv $@.new $@
 397 endef
 398
 399 define Build/pad-rootfs
 400         $(call prepare_generic_squashfs,$@ $(1))
 401 endef
 402
 403 define Build/pad-offset
 404         let \
 405                 size="$$(stat -c%s $@)" \
 406                 pad="$(word 1, $(1))" \
 407                 offset="$(word 2, $(1))" \
 408                 pad="(pad - ((size + offset) % pad)) % pad" \
 409                 newsize='size + pad'; \
 410                 dd if=$@ of=$@.new bs=$$newsize count=1 conv=sync
 411         mv $@.new $@
 412 endef
 413
 414 define Build/check-size
 415         @[ $$(($(subst k,* 1024,$(subst m, * 1024k,$(1))))) -ge "$$(stat -c%s $@)" ] || { \
 416                 echo "WARNING: Image file $@ is too big" >&2; \
 417                 rm -f $@; \
 418         }
 419 endef
 420
 421 define Build/combined-image
 422         -sh $(TOPDIR)/scripts/combined-image.sh \
 423                 "$(word 1,$^)" \
 424                 "$@" \
 425                 "$@.new"
 426         @mv $@.new $@
 427 endef
 428
 429 define Build/sysupgrade-nand
 430         sh $(TOPDIR)/scripts/sysupgrade-nand.sh \
 431                 --board $(if $(BOARD_NAME),$(BOARD_NAME),$(DEVICE_NAME)) \
 432                 --kernel $(word 1,$^) \
 433                 --rootfs $(word 2,$^) \
 434                 $@
 435 endef
 436
 437 define Device/Init
 438   PROFILES := $(PROFILE)
 439   SUBTARGETS := $(SUBTARGET)
 440   DEVICE_NAME := $(1)
 441   DEVICE_TITLE :=
 442   DEVICE_PACKAGES :=
 443   DEVICE_DESCRIPTION = Build firmware images for $$(DEVICE_TITLE)
 444   KERNEL:=
 445   KERNEL_INITRAMFS = $$(KERNEL)
 446   KERNEL_SIZE:=
 447   CMDLINE:=
 448
 449   IMAGE_PREFIX := $(IMG_PREFIX)-$(1)
 450   IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1)-$$(2)
 451   KERNEL_PREFIX = $(1)
 452   KERNEL_SUFFIX := -kernel.bin
 453   KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX)
 454   KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-initramfs
 455   KERNEL_INITRAMFS_IMAGE = $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_SUFFIX)
 456   KERNEL_INITRAMFS_NAME = $$(KERNEL_NAME)-initramfs
 457   KERNEL_INSTALL :=
 458   KERNEL_NAME := vmlinux
 459   KERNEL_DEPENDS :=
 460   KERNEL_SIZE :=
 461
 462   FILESYSTEMS := $(TARGET_FILESYSTEMS)
 463 endef
 464
 465 define Device/ExportVar
 466   $(1) : $(2):=$$($(2))
 467
 468 endef
 469 define Device/Export
 470   $(foreach var,$(DEVICE_VARS) DEVICE_NAME KERNEL KERNEL_INITRAMFS KERNEL_INITRAMFS_IMAGE,$(call Device/ExportVar,$(1),$(var)))
 471   $(1) : FILESYSTEM:=$(2)
 472 endef
 473
 474 DEVICE_CHECK_PROFILE = $(CONFIG_TARGET_$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_$(1))
 475
 476 define Device/Check
 477   _PROFILE_SET = $$(strip $$(foreach profile,$$(PROFILES) DEVICE_$(1),$$(call DEVICE_CHECK_PROFILE,$$(profile))))
 478   _TARGET := $$(if $$(_PROFILE_SET),install,install-disabled)
 479   ifndef IB
 480     _COMPILE_TARGET := $$(if $(CONFIG_IB)$$(_PROFILE_SET),compile,compile-disabled)
 481   endif
 482 endef
 483
 484 ifndef IB
 485 define Device/Build/initramfs
 486   $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
 487   $$(_TARGET): $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE)
 488
 489   $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare
 490   $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
 491         cp $$^ $$@
 492
 493   $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS)
 494         @rm -f $$@
 495         $$(call concat_cmd,$$(KERNEL_INITRAMFS))
 496 endef
 497 endif
 498
 499 define Device/Build/check_size
 500         @[ $$(($(subst k,* 1024,$(subst m, * 1024k,$(1))))) -ge "$$(stat -c%s $@)" ] || { \
 501                 echo "WARNING: Image file $@ is too big" >&2; \
 502                 rm -f $@; \
 503         }
 504 endef
 505
 506 define Device/Build/compile
 507   $$(_COMPILE_TARGET): $(KDIR)/$(1)
 508   $(eval $(call Device/Export,$(KDIR)/$(1)))
 509   $(KDIR)/$(1):
 510         $$(call concat_cmd,$(COMPILE/$(1)))
 511
 512 endef
 513
 514 define Device/Build/kernel
 515   _KERNEL_IMAGES += $(KDIR)/$$(KERNEL_NAME)
 516   $(KDIR)/$$(KERNEL_NAME):: image_prepare
 517   $$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE))
 518   $(call Device/Export,$(KDIR)/$$(KERNEL_IMAGE),$(1))
 519   $(BIN_DIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_IMAGE)
 520         cp $$^ $$@
 521   ifndef IB
 522     ifdef CONFIG_IB
 523       install: $(KDIR)/$$(KERNEL_IMAGE)
 524     endif
 525     $(KDIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS)
 526         @rm -f $$@
 527         $$(call concat_cmd,$$(KERNEL))
 528         $$(if $$(KERNEL_SIZE),$$(call Device/Build/check_size,$$(KERNEL_SIZE)))
 529   endif
 530 endef
 531
 532 define Device/Build/image
 533   $$(_TARGET): $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
 534   $(eval $(call Device/Export,$(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)),$(1)))
 535   $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/$$(KERNEL_IMAGE) $(KDIR)/root.$(1)
 536         @rm -f $$@
 537         [ -f $$(word 1,$$^) -a -f $$(word 2,$$^) ]
 538         $$(call concat_cmd,$(if $(IMAGE/$(2)/$(1)),$(IMAGE/$(2)/$(1)),$(IMAGE/$(2))))
 539
 540   .IGNORE: $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
 541   $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
 542         cp $$^ $$@
 543
 544 endef
 545
 546 define Device/Build
 547   $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1)))
 548   $(call Device/Build/kernel,$(1))
 549
 550   $$(eval $$(foreach compile,$$(COMPILE), \
 551     $$(call Device/Build/compile,$$(compile),$(1))))
 552
 553   $$(eval $$(foreach image,$$(IMAGES), \
 554     $$(foreach fs,$$(filter $(TARGET_FILESYSTEMS),$$(FILESYSTEMS)), \
 555       $$(call Device/Build/image,$$(fs),$$(image),$(1)))))
 556 endef
 557
 558 define Device/DumpInfo
 559 Target-Profile: DEVICE_$(1)
 560 Target-Profile-Name: $(DEVICE_TITLE)
 561 Target-Profile-Packages: $(DEVICE_PACKAGES)
 562 Target-Profile-Description:
 563 $(DEVICE_DESCRIPTION)
 564 @@
 565
 566 endef
 567
 568 define Device/Dump
 569 $$(eval $$(if $$(DEVICE_TITLE),$$(info $$(call Device/DumpInfo,$(1)))))
 570 endef
 571
 572 define Device
 573   $(call Device/Init,$(1))
 574   $(call Device/Default,$(1))
 575   $(call Device/$(1),$(1))
 576   $(call Device/Check,$(1))
 577   $(call Device/$(if $(DUMP),Dump,Build),$(1))
 578
 579 endef
 580
 581 define BuildImage
 582
 583   ifneq ($(DUMP),)
 584     all: dumpinfo
 585     dumpinfo: FORCE
 586         @true
 587   endif
 588
 589   download:
 590   prepare:
 591   compile:
 592   clean:
 593   image_prepare:
 594
 595   ifeq ($(IB),)
 596     .PHONY: download prepare compile clean image_prepare mkfs_prepare kernel_prepare install
 597     compile:
 598                 $(call Build/Compile)
 599
 600     clean:
 601                 $(call Build/Clean)
 602
 603     image_prepare: compile
 604                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 605                 $(call Image/Prepare)
 606   else
 607     image_prepare:
 608                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 609   endif
 610
 611   mkfs_prepare: image_prepare
 612         $(call Image/mkfs/prepare)
 613
 614   kernel_prepare: mkfs_prepare
 615         $(call Image/BuildKernel)
 616         $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(if $(IB),,$(call Image/BuildKernel/Initramfs)))
 617         $(call Image/InstallKernel)
 618
 619   $(foreach device,$(TARGET_DEVICES),$(call Device,$(device)))
 620   $(foreach fs,$(TARGET_FILESYSTEMS) $(fs-subtypes-y),$(call BuildImage/mkfs,$(fs)))
 621
 622   install: kernel_prepare
 623         $(foreach fs,$(TARGET_FILESYSTEMS),
 624                 $(call Image/Build,$(fs))
 625         )
 626         $(call Image/mkfs/ubifs)
 627         $(call Image/Checksum,md5sum --binary,md5sums)
 628         $(call Image/Checksum,openssl dgst -sha256,sha256sums)
 629
 630 endef